Shanghai project standard: “Flashing plate, grinding plate, lapping plate for steel balls” Q/IKEB 1-2006
ZG brand hints good. Flashing plate, grinding plate, lapping plate for steel balls. it’s have cutting efficiency and better anti-wear, even inner structure and hardness, really first class products. They are be suit of products of bearing balls, stainless steel balls , ceramic balls, nylon balls，tungsten alloy balls, nickel-plate balls, and various balls.

plate’s hardness and intension strength
Name Type Material Tempering HB Heat-treatment HRC Used condition
Flashing plate MTG ≥200(Mpa) -- 49～55 Big balls flashing
MTA -- 53～58 Small balls flashing
Grinding plate MTM -- 48～54 Bearing balls
MTT 210～260 -- Horniness balls grinding
MTB ≥200(Mpa)Nodular iron 190～250 -- Big balls grinding
Lapping plate MTQ1 180～230 -- Small balls lapping
MTQ2 160～190 -- Middle balls lapping
MTQ3 140～180 -- Big balls lapping
MTY1 ≥190(Mpa)Grey iron 180～230 -- Small balls lapping
MTY2 160～190 -- Middle balls lapping
MTY3 140～180 -- Big balls lapping